SDFPlanarSymmetry2 Class Reference

Planar symmetry operator. More...

#include <sdf.h>

Inheritance diagram for SDFPlanarSymmetry2:

Public Member Functions
	SDFPlanarSymmetry2 (SDFNode2 *, const Vector2 &, const Vector2 &, bool=false)
	Create a planar symmetry node.
virtual	~SDFPlanarSymmetry2 ()
	Destructor.
double	Signed (const Vector2 &) const
	Compute the signed distance function.
virtual int	Memory () const
	Compute the memory used by this node.
virtual SDFNode2 *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFUnary2
	SDFUnary2 (SDFNode2 *)
	Create an unary planar node.
virtual	~SDFUnary2 ()
	Destroy the sub-tree.
virtual QString	GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
	Compute the GLSL code to compute the cost of a call to sdf.
virtual void	ComputeCostSigned (const Vector2 &)
	Compute the number of reccursive calls to Signed().
virtual double	K () const
	Return the Lipschitz constant of the node.
virtual int	Nodes () const
	Compute the number of nodes in the sub-tree.
Public Member Functions inherited from SDFNode2
	SDFNode2 ()
	Create a generic node.
virtual	~SDFNode2 ()
	Destructor.
virtual Vector2	Gradient (const Vector2 &) const
	Compute the gradient of the field.
virtual bool	Inside (const Vector2 &) const
	Check if a point is inside or outside.
virtual QString	GetShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
	Compute the GLSL code to render the node.
virtual QString	GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
	Compute the GLSL code to compute the gradient the sdf.
Box2	GetBox () const
	Return the bounding box of the node.

Protected Attributes
bool	alone
	To compute the symmetric alone or not.
Protected Attributes inherited from SDFUnary2
SDFNode2 *	e = nullptr
	Sub-tree.
Protected Attributes inherited from SDFNode2
Box2	box = Box2::Infinity
	Box bounding the surface.
double	k = 1.0
	Lipschitz constant.
int	cost = 1
	Cost of the node.

Additional Inherited Members
Static Protected Attributes inherited from SDFNode2
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.

Detailed Description

Planar symmetry operator.

Author

Lucie Fournier

Constructor & Destructor Documentation

SDFPlanarSymmetry2()

SDFPlanarSymmetry2::SDFPlanarSymmetry2 ( SDFNode2 * n, const Vector2 & a, const Vector2 & b, bool alone = false )

explicit

Create a planar symmetry node.

Parameters

n	Sub-tree.
a,b	Points defining the symmetry axis.
alone	Flag indicating whether the object is symmetrically replicated (true) or only mirrored (false).

Member Function Documentation

Signed()

double SDFPlanarSymmetry2::Signed ( const Vector2 & p ) const

virtual

Compute the signed distance function.

This operator preserves the Euclidean distance.

Parameters

p

Point.

Reimplemented from SDFUnary2.